This Craftsman 18 piece 3/8 inch Deep Socket Accessory Set gives you both metric and inch options, to fit any job you need to do. The deep sockets stay on tight and turn reliably and the well-made solid set is chrome over vanadium steel. You can count on these sockets for years of use. Reliable precision-calibrated deep sockets run from 3/8 to 7/8 inch and metric sockets from 10mm to 19mm. Get the job done with Craftsman sockets. The 18 piece 3/8 inch Socket Accessory Set is the tool kit you need for auto repair, whether American made or foreign. It has all the common sizes, for every project you have in mind. Your set comes in a convenient plastic try to avoid fumbling and It's neatly organized by size and type to save you time. With Craftsman quality and Sears value, this is the socket set you are looking for.